A linear drive comprising an elongated screw and rotatable nut assembly moves the segments relative to each other to position the platform vertically. The focus series desks and tables feature the feather touch lift system which allows the work surface height to be adjusted from 30.5” - 44.5” tall quickly, and easily with just one hand. It will be apparent that the previously suggested and many other modifications can be made to the disclosed apparatus without departing from the invention. The intermediate frame carries vertically positioned, rotatable sleeves at each corner that extend above and below the plane of the intermediate frame. Aluminum Work Platform Adjustable Height 24 to 35 inches Support 330 lbs Portable Folding Stool Ladder Non Slip. The natural tendency is to lower the post 33a and raise the post 33b. 4.2 out of 5 stars 19. A horizontal work table has a pair of spaced depending second supports that align with corresponding ones of the first supports. As will now be apparent, the work table 20 as depicted in FIGS. Bolted adjustment offers adjustable height capabilities for various work applications. Adjustable tables and desks are key pieces in today’s workplace. ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WINCHELL, PAUL W.;REEL/FRAME:007613/0395, Free format text: Get it as soon as Wed, Dec 30. Working at an adjustable desk means you’re able to move around more. Consequently when the inner edges of the roller 71 are disposed in the channel 41a, they engage side wall 72 and 73 of the rear channel 41a to prevent lateral displacement. U.S. Pat. 1, covers a certain portions of the operating mechanism. Many researchers and ergonomists have come up with a variety of ways to avoid the negative effects of sitting in front of a computer or at a phone for 8+ hours every day. 1, the load produces a clockwise moment about a fulcrum at the drive unit 35. Work tables and like furniture generally provide a fixed height, extremely stable, generally horizontal work surface. Product Title Mount-It MI-7940B Height Adjustable Computer Work St ... Average rating: 4.7 out of 5 stars, based on 115 reviews 115 ratings Current Price $96.53 $ 96 . While many chairs are ergonomically designed to help with posture, it’s just not as good as having the option to stand while working. The structure of the pinion 43a and rollers 60, 67 and 71 provide a four point support for the post 33a. In prior rack and pinion assembly driver, a pinion drives the rack to displace the load and must be sized accordingly. The 1.2 in. 1; FIG. A pair of rack and pinion mechanisms convert the relative linear motion into angular motion. W x 24 in. In this circumstance, ideally the work bench would be height adjustable. These rollers engage front surfaces 53 and 54 of the post 33a on either side of the front channel 40a. 4,967,733 (Rousseau) discloses a scaffold-like lifting carriage comprising four corner posts, each having a gear rack, and a rectangular platform mounted between the corner posts. 1. 3 through 5 stabilizes the structure to provide a cantilevered work surface that does not deflect under load and additionally is stable in the horizontal plane. Any of these alternatives might be satisfactory for certain applications while still providing the stable adjustable work surface that is disclosed in FIGS. Moreover, the drive unit can comprise alternates to an electric reversible motor and related components, such as manually operated cranks or pneumatically-driven units. Having an Adjustable Surface gives you the freedom to sit or stand while working. This feature allows the design of the rack and pinion for significantly less loading, so the mechanism is less bulky and less expensive. 3, 4 and 5 depict a loading mechanism 62 that forces the post 33a against the rollers 51, 52 and 60 thereby to restrain the post 33a from lateral motion or deflection. 4,294,332 (Ready) discloses a scaffold comprising a pair of parallel towers. Both products are BLACK. A drive interconnects the base and the work table for adjusting the vertical position of the work table with respect to the base and thereby produces relative linear motion between each aligned first and second supports. The front channels 40a and 40b carry racks 42a and 42b fixed to the posts 33a and 33b respectively. Each of the posts 33a and 33b has vertically oriented forward channels 40a and 40b and vertically oriented rear channels 41a and 41b. These ergonomic workbenches also feature heavy-duty steel frames with chemical- and corrosion-resistant, powder-coated finishes. thick, solid wood top is rugged and beautiful and there is plenty of space on the 46 in. The Clinton Adjustable Height Hydraulic Work Table is constructed with an easily sanitized laminate worktop that is offered in either a solid gray or a maple wood-tone to fit into any decor seamlessly. Each of the posts 33a and 33b is aligned with a corresponding one of the columns 25a and 25b. No. A deck assembly or work table unit 30 constitutes a second major assembly of the work table 20. Entire work surface is user or installer height adjustable; recommended adjustability range is between 22-30 inches (+/- 0.7 inch) or more Minimum: 28.5 inches if not adjustable Minimum: Width of top surface - 46 inches or greater Width underneath work surface - one of the following must be checked: Contact Us for Movable Adjustable Height Work Surfaces. The Schlichter, Ready, Garton and Rousseau disclose mechanisms in which a motor drive rotates a pinion along a rack to adjust the height. No. d) a power drive interconnecting said base and said second supports for adjusting the vertical position of said work table with respect to said base thereby producing relative linear motion between said first and second supports. One might also eliminate the lower roller 60 and shaft 61 thereby to provide three-point support. 3. The rack 42a is recessed in the front channel 40a of the post 33a and the pinion 43a has an appropriate radius whereby the pinion 43a and rack 40a engage. No. The possibilities are practically endless. Literally. The following patents disclose apparatus in which all the structure for adjusting the work surface height lies below the work table or work surface. You need a sturdy, quality piece of adjustable height office furniture that works for a lifetime. Contemporary, classic, city-inspired; we’ll make sure it fits you. FIGS. As shown generally in FIG. And it shouldn’t be just any adjustable desk; it should be your adjustable desk. A motor driven pinion engages the rack thereby to adjust the vertical position of the platform with respect to the mast. Stated alternatively, the rollers 51 and 52 and the rollers 60, 67 and 71 constitute one embodiment of first and second pluralities of guides intermediate each pair of the first and second supports that stabilizes the horizontal position of the second support or post 33a or 33b within the first support or column 25a or 25b and thereby stabilizes the work table 20 with respect to the base 23. The remainder of the mechanism 45 shown in FIGS. 99 The wiring of this electrical motor is not specifically disclosed as such drive motors and controls and electrically operated linear drive units are well known in the art. Easy to assemble. Adjustable Surfaces believes in the power of adjustable tables and desks to change your workspace. Your neck and shoulders also benefit from using adjustable height furniture. However, none of these structures is particularly adapted for providing furniture with adjustable height work surfaces. To overcome these problems it has been proposed to provide work tables and other apparatus with adjustable height work surfaces. 2. The work table 20 is characterized in that the height of the work surface 21 is adjustable with respect to a parallel support, shown as a floor 22. Moreover, the mechanisms in all of these patents are not constrained by the applications to sizes that can be readily adapted to furniture applications. Choice of laminate finish Choice of PVC edge color Worksurfaces are undersized by 1.5" side-to-side, and.5" from front-to-back from stated dimensions to allow for height adjustment when adjacent to other surfaces or furniture Similarly a lower threaded aperture 80 aligned with the shaft 70 receives an adjusting screw 81 that bears against the member 63. The apparatus in the Ready and Garton patents disclose a cantilever-like work surface, but the support structure extends above the work surface. A drive connected between the work table and the base changes the height of the work table and is located between the columns and posts. The prior art is shown in FIGS. If you are taller or shorter, be prepared to change your work surface height. 2. In accordance with this invention the pinions are merely followers. The deck assembly 30 includes an optional back frame 34. 2, the work table 20 includes a mechanism for maintaining the work surface 21 in a horizontal plane during height adjustment and during use. Standup Dual Sit-Stand Height Adjustable Workstation (Applewood with Foam Keyboard Tray) HON 10700 Series Single Pedestal Desk with Three-Quarter Height Pedestal DESK,SGLPED,LF,66X30,MY (Pack of2) $1,242.40 $ 1,242 . The carriage has a motorized rotatable shaft with two pinion gears for engaging the respective gear racks on the vertical rails thereby to move the carriage vertically on the tower. The spaced rack and pinion structures therefore prevent the posts 33a and 33b from displacing unequal amounts. Product Title Work Smart 72 in. Each of the rollers 67 and 71 has a width that corresponds to the width of the rear channel 41a. 4,600,085 (Gagnon et al) discloses a platform lift mechanism having four upright telescoping segments. Referring to FIGS. The work table 20 includes, as a first major assembly, a pedestal or base 23 with horizontal legs 24a that rest on the floor 22. A cross member 26 interconnects the columns 25a and 25b to provide an integral base 23. Adjustable-Height Steel Tables With a thick steel frame and a capacity of at least 10, 500 lbs., these welded tables are our strongest and most durable adjustable-height tables. Most work surfaces are a standard 28" to 30", which is a good sitting height for most people between 5'8" and 5'10" tall who use conventional task chair. We stand by our adjustable surfaces. Give us a call at 1-800-803-1083 or send us a message to speak with a representative today. More recently, such work tables have been constructed with a pedestal base that supports the table at a rear portion to cantilever the deck assembly forward from the base. No. The loading mechanism 62 includes a U-shaped member 63 that includes upper and lower slots aligned vertically with the centers of the shaft 44 and shaft 61 respectively. With these goals set, I start designing. In one posture, for example a sitting posture, the work table height will not be optimized for that person in any other posture. Needs to be height adjustable; Needs to be workbench size (8 foot) in length. However, the post 33a can not move laterally in the column 25a. This height adjustment produces relative linear motion between the first and second supports that is converted to angular motion. The platform has a shaft on each side, each shaft connecting two gear pinions that engage the corner post racks. FIG. 5 is a section taken along lines 5--5 in FIG. Higher energy and productivity from your adjustable table is the best thing you can give your workspace. A rigid linking structure is affixed to each of the pinions and lies along the common axis. Shelving towers can host technology, as well as provide people much-needed visual separation to minimize distractions and allow for moments of respite during a busy day. This stabilizing mechanism is readily adjusted. We love working at our adjustable tables, and we think you will, too. Imagine the things you could do in an adjustable office filled with adjustable height tables and desks. The plane of the work surface and extensions thereof do not intersect any portion of the work table or its supporting structure. At 36 inches wide, this adjustable desk is perfect for those with a dual monitor setup or a larger workspace. Vertically positioned, pneumatically operated cylinders at each corner carry and vertically position an upper work support frame. 1 and 2. At 52” wide by 24” deep, the desk surface has plenty of room for everything I want to keep handy. U.S. Pat. FREE Shipping by Amazon. The lower slot 65 carries a lower shaft 70 and lower roller 71. Owner name: It’s worked wonders for us, and we think it’ll do the same for you. 4,498,556 (Garton) discloses a vertically adjustable platform. 1 discloses an article of furniture constructed in accordance with this invention and configured as a work table 20 that provides a horizontal work surface 21. FIG. Adjustable height tables and desks for every office and workspace. The operating mechanisms do not obstruct the work surface 21 and do not impinge in the knee room area. FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL, TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE, Writing-tables with vertically-adjustable parts, Tables with tops of variable height with vertical toothed rack, Tables with tops of variable height with vertical toothed rack having rack and pinion, International Truck Intellectual Property Company, Llc, WILMINGTON FABRICATORS, INC., D/B/A BOSTON TECHNIC, ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WINCHELL, PAUL W.;REEL/FRAME:007613/0395, PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362, Hospital bed with rack and pinion stabilizer, Table with an elevating panel, an elevating table, and a combination thereof, Height adjustable counterbalance workstation, Height adjustable support for computer equipment and the like, Height adjustable table with counterbalance spring and load balance indicator, Height adjustable work surface and control therefor, Overbed table for use with a patient support, Computer workstation with moveable monitor support, Adjustable height table with multiple legs operable by a single crank, Keyboard instrument support with adjustable ability, Computer workstation with movable monitor support, Single serve beverage maker with adjustable brew head, Gear or thread driven height adjustable column, Display device comprising a guiding device, Height Adjustable Vertically Oriented Screen Or The Like, Workstation System and Workstation with Multiple, Adjustable Height, Work Tops, Overbed table for use with patient support, Computer work station with moveable monitor support, Telescopic lifting column for height adjustment of elevatable tables, Item support apparatuses and systems for bedside, Combination foldable and adjustable workstation, Electrically-lifted computer desk and office desk thereof, Privacy screen table connection mechanism, Table connection mechanism and method of using the same, Workstation with pneumatic height adjustable desk, Table height adjustment system and method of using the same, Height-adjustable office desk or chair - provides adjustment of seat of desk surface using measured height converted into user's height, Vertically movable, road towable work platform, Furniture piece with a table top whose height and/or angle of tilt can be adjusted, Sulfonamide-substituted benzopyran derivatives, processes for their preparation, their use as a medicament, and pharmaceutical preparations comprising them, Table with a height adjustable side panel, Height adjustable vertically oriented screen or the like, Cam balance mechanism systems and methods, Infinitely adjustable baby mattress support and apparatus therefor, Lifting mechanism and health care equipment that incorporates the lifting mechanism, Movable hoisting experiment table with variable tabletop, Height adjustable bed and automatic leg stabilizer system therefor, Lifting column for treatment tables, hospital- and care beds, Adjustable work chair, especially office chair, Support column for holding a patient support surface, Workstation system and workstation with multiple, adjustable height, work tops, Space efficient multi-use exercise apparatus, Continuously adjustable computer console table, Articulated support for computers and the like, Lapse for failure to pay maintenance fees, Information on status: patent discontinuation, Expired due to failure to pay maintenance fee. 1 and in slightly more detail in FIG. If you use a saddle seat or perch, the work surface must be quite a bit higher. A rigid shaft interconnects two pinions and prevents relative pinion rotation. 3-5. Th... more See all 90 items in product family 1 and 2, while raising the post 33a requires clockwise rotation of the pinion 43b. Adjustable height work surface wtih rack and pinion arrangements, Assigned to WILMINGTON FABRICATORS, INC., D/B/A BOSTON TECHNICAL FURNITURE, WILMINGTON FABRICATORS, INC., D/B/A BOSTON TECHNICAL FURNITURE. However, the roller 71 produces a clockwise offsetting moment so the post 33a does not deflect. The height of this table is adjustable via a foot pump bar, offering users a customizable experience, as well as easier wheelchair accessibility. Each requires a support at each corner to provide stability and to provide even movement while the work surface remains horizontal. Since the Adjustable Surfaces office made the switch, our adjustable height tables have made an incredible difference. There’s a reason why design studios, software development firms, and other creative people swear by adjustable height furniture. Loading on the pinions and interconnecting shaft occurs only if there is some imbalance in the forces that tends to produce relative displacement of the pinions 43a and 43b. Height Adjustable Worktops - Straight Height Adjustable Kitchen Worktops Making worktop areas accessible to all users is a key feature of an adaptable and flexible kitchen installation. Pre-Configured Heavy Duty Height Adjustable Production Workbenches with Drawer, Uprights and Shelf Provide a Convenient Work Surface For Garages, Manufacturing Plants, Factories, and more. Although each of the foregoing patents discloses apparatus for adjusting the height of a horizontal work surface, each requires portions of the apparatus to extend above the work surface. This construction eliminates the front upright supports and provides clear knee room at the front, or working area, of the worktable. For example, the adjustment mechanism 62 might be replaced with a solid glide bar of low friction that would ride in the rear channel 41a. An article of furniture as recited in claim 1 wherein each said second support includes a post with a rear elongated channel formed therein and wherein each of said spaced guide means additionally comprises glides supported by said first supports for engaging said rear channel thereby to maintain the engagement of said rack and pinion during relative motion between said first support and post. A link interconnects each of the motion converters to prevent unequal increments of the second motion in response to the first motions. Therefore the application of the off-center load can not deflect the work surface 21 from the horizontal. f) a pinion mounted inside and supported by each of said first supports proximate the free end thereof for engaging a corresponding one of said racks whereby linear motion of each of said second supports rotates the corresponding pinion in the corresponding first support, each of said pinions lying on a common axis. Whether you’re shopping for just yourself or for the whole office, we’ll get you a quote on the adjustable table that fits you and your lifestyle. A vertical screw within each column attaches to the upper plate and extends to engage a threaded spiral gear located at the top of a corresponding column. This structure prevents relative motion of the pinions. Hardy tabletops, excellent finish, and quality-engineered legs and electronics. 3 and 5, a roller 60 having the same diameter as the rollers 51 and 52 rides on a shaft 61 disposed vertically under the shaft 44 and mounted to the frame 57. 62 From well-constructed fixed height tables to robust four post height adjustable units designed to lift 2000#, Melnik has a work surface for your application. Therefore it is an object of this invention to provide a method and apparatus for adjusting the position of a work surface. 1, a linear drive unit 35 constitutes a third major assembly and provides the displacement function. A stabilizing structure in each column interacts with the post to maintain engagement between the rack and pinion structure and maintains the work table in a horizontal position during adjustment and use. The mechanisms and supports can become bulky and interfere with clearance under the table Moreover these mechanisms are difficult to implement given problems in synchronizing the relative motions at each corner and can become expensive. Consequently, within the elastic limits of the shaft structure 44, it is not possible to rotate the pinions 43a and 43b relative to each other. What you need is a permanent, long-lasting adjustable height solution. In accordance with this invention apparatus for providing an adjustable work surface includes a base having a plurality of first supports and a planar work surface structure. Adjustable Surfaces offers only the best quality adjustable height tables and desks, built for hard work day in and day out. Height adjusts from 26"-52" Adjustable leveling glides; Optional casters adds 1.75" to the minimum and maximum height; 1.125" thick high density particle board core top; Programmable control switch with three height presets and LED display; Choice of laminate finish; Choice of PVC edge color The work table 20 includes, as a first major assembly, a pedestal or base 23 with horizontal legs 24a that rest on the floor 22. i) second guide means intermediate nested ones of said first and second supports for spacing said corresponding ones of said first and second supports, said second guide means being spaced from said first guide means whereby said first and second guide means stabilize the relative positions of said base and said work table. c) a work table cantilevered from said pair of second supports. Refer to the appropriate section for the type of desk, work surface or height-adjustable table being purchased. As previously noted, an uneven cantilevered work surface creates stability problems. A work table is cantilevered from posts supported for vertical motion inside columns from a base. Yet still another object of this invention is to provide an adjustable work surface that is not obstructed by any of the mechanisms for adjusting the position of the work surface. Consequently, the work table height is not optimized or ergonomically correct for any specific individual who may be using the work table. 4. Southwest Solutions Group® provides movable adjustable height work surfaces to all types of business offices that are looking to give their employees sit or stand desks that are ergonomically correct. The steel frame is also rugged, made of heavy gauge steel. Elevate your work experience with the Husky 46 in. A self-elevating carriage mounts between the rails. 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Corresponds to the adjustable height work surface supports with no effect on performance a linear drive comprising an elongated screw and rotatable assembly! 52 and 61 therefore define a vertical plane in the morning gives you a great burst of.... To change your workspace, no matter what your style not, by,.